build proper dockerized example

docker/etc/cron.d/changepwds

@@ -0,0 +1 @@
+* * * * * root python /root/scripts/password_reset.py

docker/etc/cron.d/myjob

@@ -1 +0,0 @@
-* * * * * root echo 'this is some text' >> /tmp/myjob.log

docker/etc/cron.d/print

@@ -1 +0,0 @@
-* * * * * root python /scripts/print_stuff.py >> /tmp/print.log